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Pollution Control and Resource Recovery by Zhao Youcai

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Chapter Six

Thermal Characterization of Fly Ash

Abstract

Thermal characterization and use in ceramic tile making of fly ash is presented. Differential temperature analysis–thermogravimetric analysis analysis, elementary component variation, chemical component, radical component transformation, mineralogical component transformation, microstructure transfer, leaching toxicity and speciation transformation, as a function of temperature for fly ash, are provided. Use of fly ash in ceramic tile making is explored. 11 major elements in fly ash with contents over 1% and a sequence of O >Ca >Si >Cl >Al >Fe >Na >S >C >Mg are found in fly ash. Main elementary content and chemical component of the ash changes with increase of sintering temperature. It is ...

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